GM Service Manual Online
For 1990-2009 cars only

    Object Number: 158549  Size: SH
  1. Use a wrench on the center bolt of the tensioner pulley (5) and rotate downward to release drive belt tension.
  2. Remove the belt (7) from the water pump pulley.
  3. Release the AIR pipe clamps (2).
  4. Remove the AIR pipe bracket nut (1).
  5. Remove the upper generator nut (6).
  6. Remove the AIR pipe.
  7. Remove the accessory drive belt.